UPDATE: Gunman and 1 victim are dead outside Empire State Building

View full sizeAssociated PressIn this frame grab from WABC-TV, emergency personnel respond to reports of several people being shot outside the Empire State Building. Authorities say the shooter is dead.

Police shot and killed a gunman outside the Empire State Building after the man went on a rampage Friday morning.

Police responded to the call which came over at 9:07 a.m., shooting and killing the gunman, a spokesman said.

A city official told the New York Times that a civilian was also dead.

NBC news is reporting that A law-enforcement official said the shooting did not appear to be terror-related, and may have been the actions of a disgruntled employee of a business in the Empire State Building, which houses 1,000 businesses.

The Fire Department confirmed it is treating eight patients. A spokesman said no details on their condition or whether they were transported to the hospital are yet available. At least four people had gunshot wounds, according to police, and others were being treated for injuries unrelated to gunfire.

The shooting took place at 34th Street and
Fifth Avenue. Fifth Avenue is closed off near the scene, further snarling rush hour snarling traffic in midtown.

The FBI is also on the scene investigating.

In February 1997, man opened fire on an observation deck of the Empire State Building, killing one person and wounding six before shooting himself in the head.